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Summary of Contents for Grundfos HS
- Page 1 GRUNDFOS INSTRUCTIONS Horizontal split case pump Installation and operating instructions...
- Page 2 — Machinery (98/37/EC) and fulfils Annex II B. Standard used: EN ISO 12100. An HS bare shaft pump must not be put into service until the machinery into which it is incorporated has been declared in conformity with the Directive.
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Page 3: Table Of Contents
Fig. 2 These instructions apply to both types. The HS pump can be driven by an electric motor or other type of When unloading the pump, lift equally at four or more driver. In the following we assume that the pump is driven by an points on the base frame. -
Page 4: Temporary Storage
A 96XXXXXX P2 01 27 0001 the bearing surfaces and the stuffing box/shaft seal faces due to moisture. 2900 16/80 3. Applications Grundfos HS horizontal split case pumps are typically used for MADE IN SINGAPORE • circulation in heating, ventilating, air-conditioning and cooling systems •... -
Page 5: Type Key
Code for shaft seal or stuffing box Directon of rotation: 1 = Clockwise 2 = Counter-clockwise 5. Operating conditions HS pump with base frame mounted on a concrete Fig. 5 5.1 Ambient temperature foundation (B) with expansion joints (A) and vibration Maximum +40°C. -
Page 6: Expansion Joints
6.4 Expansion joints 6.5.2 Shimming of base frame Expansion joints provide these advantages: • Absorption of thermal expansion and contraction of pipework caused by variations in liquid temperature. • Reduction of mechanical influences in connection with pressure surges in the pipework. •... - Page 7 2. Checking parallel alignment 6.5.5 Final alignment Place a straight edge across both coupling rims at the top, the Make final alignment after the base frame has been properly bottom and both sides, see fig. 8. After each adjustment, recheck fastened and the grout has dried thoroughly according to all features of alignment.
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Page 8: Piping
0.2 mm. 7.1 System types 4. Remove dial gauge (2). The Grundfos HS horizontal split case pumps can be installed in two types of system: 3. Angular alignment - horizontally 1. Closed systems or open systems where the liquid level is above the pump inlet, meaning that a certain suction head will be available. -
Page 9: Suction Piping
• Make sure that the liquid flow is evenly distributed to both 7.3 Suction piping sides of the double suction impellers. There is always an uneven, turbulent flow through an elbow. The sizing and installation of the suction piping is So if an elbow is installed in the suction pipe near the pump in extremely important. -
Page 10: Valves In Suction Piping
Check that one of the motor bearings is the pump and prevents back flow through the pump in case of motors of 110 kW electrically isolated. Contact Grundfos. stoppage or failure of the motor. and up and 6-pole If the discharge piping is short, the pipe diameter can be the motors of 75 kW same as the discharge port. -
Page 11: Start-Up
9.1.5 Direction of rotation Direction of rotation is checked in the following way: The start-up procedure for HS pumps has three steps: 1. Remove coupling pins and check that the motor shaft can turn 1. Pre-start checks, see 9.1 Pre-start checks freely. -
Page 12: Frequency Of Starts And Stops
To refill the bearings with fresh grease, use a grease gun and press grease through the two lubricating nipples provided. HS pump complete: We recommend to apply grease Note: while pump is running. HS bare shaft pump combined with motor not... -
Page 13: Frost Protection
If Grundfos is requested to service the pump, Grundfos must be contacted with details about the pumped liquid, etc. before the pump is returned for service. Otherwise Grundfos can refuse to... -
Page 14: Fault Finding
13. Fault finding Before removing the terminal box cover and before any removal/dismantling of the pump, make sure that the electricity supply has been switched off and that it cannot be accidentally switched on. Faults Causes Pump not primed, lack of priming liquid, incomplete priming. - Page 15 Cause Remedy Pump not primed, lack of priming liquid, incomplete Fill pump and suction pipe completely with pumped liquid. priming. Loss of priming liquid. Mend possible leaks in suction pipe, joints and fittings; vent pump housing to remove accumulated air. Suction lift/static lift too high.
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Page 16: Disposal
This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. Subject to alterations. - Page 19 Telefax: +52-81-8144 4010 GRUNDFOS GMBH Argentina Turkey Bombas GRUNDFOS de Argentina S.A. Schlüterstr. 33 GRUNDFOS POMPA San. ve Tic. Ltd. Sti. Netherlands 40699 Erkrath GRUNDFOS Nederland B.V. Gebze Organize Sanayi Bölgesi Ruta Panamericana km. 37.500 Lote 34A 1619 - Garin Tel.: +49-(0) 211 929 69-0...
- Page 20 Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence 96624468 0706 www.grundfos.com...
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